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\chapter{Related work}
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\section{Hypertext Markup Language}
"`World Wide Web (WWW) was created for the purpose of information sharing.
HyperText Mark-up Language (HTML) was created for giving semantic context to
text documents published on the WWW, making the shared information more
flexible. Since the inception of the WWW, HTML has evolved  significantly, very
rapidly"` \cite[S.1]{HTML1}. Furthermore "`The World Wide Web's markup language
has always been HTML"` \cite{HTMLW3C}. It is a simple to use markup language
that "`has its roots at the European Laboratory for High-Energy Physics (CERN)
in Geneva, Switzerland, where the Web project began in 1990"`
\cite[S.2]{MarkupLanguage}. It can only be used to define and to describe
documents. Therefore it is not a programming language.


\section{Javascript}
"`Javascript is a programming language that is used to make web pages
interactive. It runs on your visitor's computer \ldots Javascript support is
built right into web Browsers. Provided that the visitors to your site are using
Web Browsers that support Javascript (most do) and have Javascript enabled (it
is by default) then your Javascript will run"`
\cite[S.1]{chapman2012javascript}. Therefore it is an important addition to HTML
for building complex solely HTML based applications.


\section{Web Browser}
"`The Web Browser is an indispensable piece of application software for the
modern computer user"` \cite[S.1]{Browser1}. It is used on client computers to
display HTML documents, mostly referred to as HTML pages, web pages or simply
pages, with its embedded content like video or audio files and Javascript.


\section{Different Browsers}
There exist different Browsers in different versions for different computer
operating systems from different vendors \cite{W3SchoolsBrowser}.



\section{Types of natural human language processing}
Natural human language processing consists mainly of the two following
distinct parts \cite{furui2000digital}.


\subsection{Speech recognition}
Speech recognition deals with transforming in natural human language spoken
words to text.


\subsection{Speech synthesis}
Speech synthesis deals with the opposite. Transform written text to natural
human language speech.


\section{The World Wide Web Consortium}
"`The World Wide Web Consortium (W3C) is an organization that 
develops and promotes the use of standards on the Web"` \cite{W3C}. It has been
standardizing HTML, the Hypertext Transfer Protocol, Extensible Markup Language
and many other important technologies that play a major role in modern computer
science and technology. Therefore the World Wide Web Consortium with its
standards plays a important role in modern computer science and technology.






